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Commit e42a46b6 authored by Leonard Crestez's avatar Leonard Crestez Committed by Mark Brown
Browse files

regulator: Fix regulator_summary for deviceless consumers 



It is allowed to call regulator_get with a NULL dev argument
(_regulator_get explicitly checks for it) but this causes an error later
when printing /sys/kernel/debug/regulator_summary.

Fix this by explicitly handling "deviceless" consumers in the debugfs code.

Signed-off-by: default avatarLeonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
parent d00b7461

drivers/regulator/core.c

+3 −2
Original line number Diff line number Diff line
@@ -4391,12 +4391,13 @@ static void regulator_summary_show_subtree(struct seq_file *s, 
	seq_puts(s, "\n");



	list_for_each_entry(consumer, &rdev->consumer_list, list) {

		if (consumer->dev->class == &regulator_class)

		if (consumer->dev && consumer->dev->class == &regulator_class)

			continue;



		seq_printf(s, "%*s%-*s ",

			   (level + 1) * 3 + 1, "",

			   30 - (level + 1) * 3, dev_name(consumer->dev));

			   30 - (level + 1) * 3,

			   consumer->dev ? dev_name(consumer->dev) : "deviceless");



		switch (rdev->desc->type) {

		case REGULATOR_VOLTAGE: